MIL-T-20155B (NOTICE-1), MILITARY SPECIFICATION: TUBE AND PIPE, CARBON-MOLYBDENUM ALLOY STEEL, SEAMLESS (ASTM A-335-55R, GRADE P-1) (17-SEP-1997) [USE MIL-T-0020155B IN LIEU OF MIL-T-20155A] [NO S/S DOCUMENT]
MIL-T-20155B (NOTICE-1), MILITARY SPECIFICATION: TUBE AND PIPE, CARBON-MOLYBDENUM ALLOY STEEL, SEAMLESS (ASTM A-335-55R, GRADE P-1) (17-SEP-1997) [USE MIL-T-0020155B IN LIEU OF MIL-T-20155A] [NO S/S DOCUMENT]., Cancelled without replacement.